CVE-2026-13329: CWE-284 Improper Access Control in Buckaroo Woocommerce Payments Plugin
The Buckaroo Woocommerce Payments Plugin WordPress plugin before 4.9.0 does not perform any capability check or nonce validation on an AJAX action that processes payment capture refunds, allowing any authenticated user, including Subscribers, to trigger refunds against captured orders.
AI Analysis
Technical Summary
CVE-2026-13329 describes an access control weakness (CWE-284) in the Buckaroo Woocommerce Payments Plugin prior to version 4.9.0. The plugin fails to verify user capabilities or validate nonces on an AJAX endpoint responsible for processing payment capture refunds. As a result, any authenticated user, regardless of their role, can initiate refunds on orders that have already been captured, potentially leading to unauthorized financial transactions.
Potential Impact
The vulnerability enables low-privileged authenticated users to perform unauthorized refund operations on captured orders. This can lead to financial loss or disruption of business processes relying on accurate payment states. There is no indication of exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user roles that can authenticate or disable the plugin if feasible. Monitor for vendor updates addressing this issue.
CVE-2026-13329: CWE-284 Improper Access Control in Buckaroo Woocommerce Payments Plugin
Description
The Buckaroo Woocommerce Payments Plugin WordPress plugin before 4.9.0 does not perform any capability check or nonce validation on an AJAX action that processes payment capture refunds, allowing any authenticated user, including Subscribers, to trigger refunds against captured orders.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-13329 describes an access control weakness (CWE-284) in the Buckaroo Woocommerce Payments Plugin prior to version 4.9.0. The plugin fails to verify user capabilities or validate nonces on an AJAX endpoint responsible for processing payment capture refunds. As a result, any authenticated user, regardless of their role, can initiate refunds on orders that have already been captured, potentially leading to unauthorized financial transactions.
Potential Impact
The vulnerability enables low-privileged authenticated users to perform unauthorized refund operations on captured orders. This can lead to financial loss or disruption of business processes relying on accurate payment states. There is no indication of exploitation in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user roles that can authenticate or disable the plugin if feasible. Monitor for vendor updates addressing this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-06-25T13:25:05.758Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a6d96cfbf32cb7a344ceccb
Added to database: 08/01/2026, 06:48:47 UTC
Last enriched: 08/01/2026, 07:22:45 UTC
Last updated: 08/01/2026, 21:27:58 UTC
Views: 3
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